22541144521 has 16 divisors (see below), whose sum is σ = 25887413376. Its totient is φ = 19226583936.

The previous prime is 22541144491. The next prime is 22541144537. The reversal of 22541144521 is 12544114522.

It is not a de Polignac number, because 22541144521 - 2¹¹ = 22541142473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22541154521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1596525 + ... + 1610581.

It is an arithmetic number, because the mean of its divisors is an integer number (1617963336).

Almost surely, 2^22541144521 is an apocalyptic number.

It is an amenable number.

22541144521 is a deficient number, since it is larger than the sum of its proper divisors (3346268855).

22541144521 is a wasteful number, since it uses less digits than its factorization.

22541144521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15168.

The product of its digits is 12800, while the sum is 31.

The spelling of 22541144521 in words is "twenty-two billion, five hundred forty-one million, one hundred forty-four thousand, five hundred twenty-one".